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authorAlan Cox <alan@linux.intel.com>2012-11-01 16:45:49 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-15 16:53:15 -0800
commitd1519e23c2b3a518fb41daf3eceae43382433ceb (patch)
tree7ac7d32367f964801d4b63296025867fd775b987
parent4bd82136cdf04f3a8d50e20c1b76da750f75f2db (diff)
ipwireless: don't oops if we run out of space
Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=49851 Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/tty/ipwireless/network.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/tty/ipwireless/network.c b/drivers/tty/ipwireless/network.c
index 57102e66165..c0dfb642383 100644
--- a/drivers/tty/ipwireless/network.c
+++ b/drivers/tty/ipwireless/network.c
@@ -352,6 +352,8 @@ static struct sk_buff *ipw_packet_received_skb(unsigned char *data,
}
skb = dev_alloc_skb(length + 4);
+ if (skb == NULL)
+ return NULL;
skb_reserve(skb, 2);
memcpy(skb_put(skb, length), data, length);
@@ -397,7 +399,8 @@ void ipwireless_network_packet_received(struct ipw_network *network,
/* Send the data to the ppp_generic module. */
skb = ipw_packet_received_skb(data, length);
- ppp_input(network->ppp_channel, skb);
+ if (skb)
+ ppp_input(network->ppp_channel, skb);
} else
spin_unlock_irqrestore(&network->lock,
flags);